Make some changes to the Merchant's map Cluster logic, so that both Merchants and Tellers clusters work at the same time and automatically as the map camera moves.

2019-01-24 13:37:06 -06:00 · 2019-01-24 13:37:06 -06:00 · 6a8def0cf1
commit 6a8def0cf1
parent fbbb4f9f48
6 changed files with 61 additions and 52 deletions
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
@ -20,22 +20,21 @@ import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import com.google.android.gms.maps.CameraUpdateFactory
 import com.google.android.gms.maps.model.*
+import com.google.maps.android.MarkerManager
 import com.google.maps.android.clustering.Cluster
+import com.google.maps.android.clustering.ClusterItem
 import com.google.maps.android.clustering.ClusterManager
 import cy.agorise.bitsybitshareswallet.database.entities.Merchant
 import cy.agorise.bitsybitshareswallet.database.entities.Teller
 import cy.agorise.bitsybitshareswallet.utils.Constants
-import cy.agorise.bitsybitshareswallet.utils.MerchantMarkerRenderer
-import cy.agorise.bitsybitshareswallet.utils.TellerMarkerRenderer
+import cy.agorise.bitsybitshareswallet.utils.MerchantClusterRenderer
+import cy.agorise.bitsybitshareswallet.utils.TellerClusterRenderer
 import cy.agorise.bitsybitshareswallet.utils.toast
 import cy.agorise.bitsybitshareswallet.viewmodels.MerchantViewModel
 import java.lang.Exception


-class MerchantsFragment : Fragment(), OnMapReadyCallback,
-            ClusterManager.OnClusterClickListener<Merchant>,
-            ClusterManager.OnClusterItemClickListener<Merchant>,
-            ClusterManager.OnClusterItemInfoWindowClickListener<Merchant>{
+class MerchantsFragment : Fragment(), OnMapReadyCallback {

    companion object {
        private const val TAG = "MerchantsFragment"
@ -48,13 +47,12 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,

    private lateinit var mMerchantViewModel: MerchantViewModel

+    private var mMarkerManager: MarkerManager? = null
+
    private var mMerchantClusterManager: ClusterManager<Merchant>? = null
    private var mTellerClusterManager: ClusterManager<Teller>? = null

-    override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.fragment_merchants, container, false)
    }

@ -68,17 +66,6 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,
        mMerchantViewModel = ViewModelProviders.of(this).get(MerchantViewModel::class.java)
    }

-    private fun verifyLocationPermission() {
-        if (ContextCompat.checkSelfPermission(activity!!, Manifest.permission.ACCESS_FINE_LOCATION)
-            != PackageManager.PERMISSION_GRANTED) {
-            // Permission is not already granted
-            requestPermissions(arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION), REQUEST_LOCATION_PERMISSION)
-        } else {
-            // Permission is already granted
-            mMap.isMyLocationEnabled = true
-        }
-    }
-
    /** Handles the result from the location permission request */
    @SuppressLint("MissingPermission")
    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
@ -110,9 +97,19 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,

        verifyLocationPermission()

+        mMarkerManager = MarkerManager(mMap)
+
        initMerchantsCluster()

        initTellersCluster()
+
+        // Point the map's listeners at the listeners implemented by the cluster manager.
+        mMap.setOnMarkerClickListener(mMarkerManager)
+
+        mMap.setOnCameraIdleListener {
+            mMerchantClusterManager?.onCameraIdle()
+            mTellerClusterManager?.onCameraIdle()
+        }
    }

    private fun applyMapTheme() {
@ -134,22 +131,25 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,
        }
    }

+    private fun verifyLocationPermission() {
+        if (ContextCompat.checkSelfPermission(activity!!, Manifest.permission.ACCESS_FINE_LOCATION)
+            != PackageManager.PERMISSION_GRANTED) {
+            // Permission is not already granted
+            requestPermissions(arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION), REQUEST_LOCATION_PERMISSION)
+        } else {
+            // Permission is already granted
+            mMap.isMyLocationEnabled = true
+        }
+    }
+
    private fun initMerchantsCluster() {
        // Setup clusters to group markers when possible
-        mMerchantClusterManager = ClusterManager(context, mMap)
-        val merchantRenderer = MerchantMarkerRenderer(context, mMap, mMerchantClusterManager)
+        mMerchantClusterManager = ClusterManager(context, mMap, mMarkerManager)
+        val merchantRenderer = MerchantClusterRenderer(context, mMap, mMerchantClusterManager)
        mMerchantClusterManager?.renderer = merchantRenderer

-        // Point the map's listeners at the listeners implemented by the cluster manager.
-        mMap.setOnCameraIdleListener(mMerchantClusterManager)
-        mMap.setOnMarkerClickListener(mMerchantClusterManager)
-
-        mMap.setOnMarkerClickListener(mMerchantClusterManager)
-        mMap.setInfoWindowAdapter(mMerchantClusterManager?.markerManager)
-        mMap.setOnInfoWindowClickListener(mMerchantClusterManager)
-        mMerchantClusterManager?.setOnClusterClickListener(this)
-        mMerchantClusterManager?.setOnClusterItemClickListener(this)
-        mMerchantClusterManager?.setOnClusterItemInfoWindowClickListener(this)
+        mMerchantClusterManager?.setOnClusterClickListener { onClusterClick(it as Cluster<ClusterItem>) }
+        mMerchantClusterManager?.setOnClusterItemClickListener { false }

        mMerchantViewModel.getAllMerchants().observe(this, Observer<List<Merchant>> {merchants ->
            mMerchantClusterManager?.clearItems()
@ -160,10 +160,13 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,

    private fun initTellersCluster() {
        // Setup clusters to group markers when possible
-        mTellerClusterManager = ClusterManager(context, mMap)
-        val tellerRenderer = TellerMarkerRenderer(context, mMap, mTellerClusterManager)
+        mTellerClusterManager = ClusterManager(context, mMap, mMarkerManager)
+        val tellerRenderer = TellerClusterRenderer(context, mMap, mTellerClusterManager)
        mTellerClusterManager?.renderer = tellerRenderer

+        mTellerClusterManager?.setOnClusterClickListener { onClusterClick(it as Cluster<ClusterItem>) }
+        mTellerClusterManager?.setOnClusterItemClickListener { false }
+
        mMerchantViewModel.getAllTellers().observe(this, Observer<List<Teller>> {tellers ->
            mTellerClusterManager?.clearItems()
            mTellerClusterManager?.addItems(tellers)
@ -172,14 +175,14 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,
    }

    /** Animates the camera update to focus on an area that shows all the items from the cluster that was tapped. */
-    override fun onClusterClick(cluster: Cluster<Merchant>?): Boolean {
+    private fun onClusterClick(cluster: Cluster<ClusterItem>?): Boolean {
        val builder = LatLngBounds.builder()
-        val merchantMarkers = cluster?.items
+        val items = cluster?.items

-        if (merchantMarkers != null) {
-            for (item in merchantMarkers) {
-                val merchantPosition = item.position
-                builder.include(merchantPosition)
+        if (items != null) {
+            for (item in items) {
+                val position = item.position
+                builder.include(position)
            }

            val bounds = builder.build()
@ -190,14 +193,6 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback,
                Log.d(TAG, e.message)
            }
        }
-
        return true
    }
-
-    override fun onClusterItemClick(p0: Merchant?): Boolean {
-        return false
-    }
-
-    override fun onClusterItemInfoWindowClick(p0: Merchant?) {
-    }
 }
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/repositories/MerchantRepository.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/repositories/MerchantRepository.kt
@ -3,6 +3,7 @@ package cy.agorise.bitsybitshareswallet.repositories
 import android.content.Context
 import android.os.AsyncTask
 import android.preference.PreferenceManager
+import android.util.Log
 import androidx.lifecycle.LiveData
 import cy.agorise.bitsybitshareswallet.database.BitsyDatabase
 import cy.agorise.bitsybitshareswallet.database.daos.MerchantDao
@ -17,6 +18,10 @@ import retrofit2.converter.gson.GsonConverterFactory

 class MerchantRepository internal constructor(val context: Context) : retrofit2.Callback<FeathersResponse<Merchant>> {

+    companion object {
+        private const val TAG = "MerchantRepository"
+    }
+
    private val mMerchantDao: MerchantDao

    init {
@ -38,6 +43,8 @@ class MerchantRepository internal constructor(val context: Context) : retrofit2.
        val now = System.currentTimeMillis()

        if (lastMerchantUpdate + Constants.MERCHANTS_UPDATE_PERIOD < now) {
+            Log.d(TAG, "Updating merchants from webservice")
+            // TODO make sure it works when there are more merchants than those sent back in the first response
            val retrofit = Retrofit.Builder()
                .baseUrl(Constants.MERCHANTS_WEBSERVICE_URL)
                .addConverterFactory(GsonConverterFactory.create())
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/repositories/TellerRepository.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/repositories/TellerRepository.kt
@ -3,6 +3,7 @@ package cy.agorise.bitsybitshareswallet.repositories
 import android.content.Context
 import android.os.AsyncTask
 import android.preference.PreferenceManager
+import android.util.Log
 import androidx.lifecycle.LiveData
 import cy.agorise.bitsybitshareswallet.database.BitsyDatabase
 import cy.agorise.bitsybitshareswallet.database.daos.TellerDao
@ -17,6 +18,10 @@ import retrofit2.converter.gson.GsonConverterFactory

 class TellerRepository internal constructor(val context: Context) : retrofit2.Callback<FeathersResponse<Teller>> {

+    companion object {
+        private const val TAG = "TellerRepository"
+    }
+
    private val mTellerDao: TellerDao

    init {
@ -38,6 +43,8 @@ class TellerRepository internal constructor(val context: Context) : retrofit2.Ca
        val now = System.currentTimeMillis()

        if (lastTellerUpdate + Constants.MERCHANTS_UPDATE_PERIOD < now) {
+            Log.d(TAG, "Updating tellers from webservice")
+            // TODO make sure it works when there are more tellers than those sent back in the first response
            val retrofit = Retrofit.Builder()
                .baseUrl(Constants.MERCHANTS_WEBSERVICE_URL)
                .addConverterFactory(GsonConverterFactory.create())
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/Constants.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/Constants.kt
@ -1,6 +1,5 @@
 package cy.agorise.bitsybitshareswallet.utils

-import cy.agorise.graphenej.Asset
 import cy.agorise.graphenej.UserAccount

 object Constants {
@ -94,5 +93,6 @@ object Constants {
    /** Key used to store the last time in millis that the tellers info was refreshed */
    const val KEY_TELLERS_LAST_UPDATE = "key_tellers_last_update"

+    /** Constant used to decide whether or not to update the tellers and merchants info from the webservice */
    const val MERCHANTS_UPDATE_PERIOD = 1000L * 60 * 60 + 24 // 1 day
 }
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/MerchantClusterRenderer.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/MerchantClusterRenderer.kt
@ -21,7 +21,7 @@ import cy.agorise.bitsybitshareswallet.database.entities.Merchant
 /**
 * This class is used to create custom merchant and merchant cluster icons to show on the map.
 */
-class MerchantMarkerRenderer(val context: Context?, map: GoogleMap?, clusterManager: ClusterManager<Merchant>?) :
+class MerchantClusterRenderer(val context: Context?, map: GoogleMap?, clusterManager: ClusterManager<Merchant>?) :
    DefaultClusterRenderer<Merchant>(context, map, clusterManager) {

    // Icons used to display merchants and merchants' clusters on the map
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/TellerClusterRenderer.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/utils/TellerClusterRenderer.kt
@ -21,7 +21,7 @@ import cy.agorise.bitsybitshareswallet.database.entities.Teller
 /**
 * This class is used to create custom merchant and merchant cluster icons to show on the map.
 */
-class TellerMarkerRenderer(val context: Context?, map: GoogleMap?, clusterManager: ClusterManager<Teller>?) :
+class TellerClusterRenderer(val context: Context?, map: GoogleMap?, clusterManager: ClusterManager<Teller>?) :
    DefaultClusterRenderer<Teller>(context, map, clusterManager) {

    // Icons used to display merchants and merchants' clusters on the map